"""
ExecutionTime
This class is used for timing execution of code.
For example:
timer = ExecutionTime()
print 'Hello world!'
print 'Finished in {} seconds.'.format(timer.duration())
"""
import time
import random
class ExecutionTime:
def init(self):
self.start_time = time.time()
def duration(self):
return time.time() - self.start_time
---- run code ----
timer = ExecutionTime()
sample_list = list()
my_list = [random.randint(1, 888898) for num in
range(1, 1000000) if num % 2 == 0]
print('Finished in {} seconds.'.format(timer.duration()))</pre> 
